Vaillant VRC 700 Manuel utilisateur

UK VRC 700 Boiler

Schematics and

installation guide

Domestic Boiler Range

Controls: VRC 700, VR 70, VR 71, VR 91

The Vaillant VRC 700 Boiler Schematic contains documentation to assist in the installation

and commissioning of your boiler system. These documents should be used alongside the

relevant manuals for the equipment supplied.

Please read the contents very carefully for a successful installation.

Table of Contents

Gurantee information / Wiring check list / General Notes......................................................................... 2

Terms and conditions for Vaillant schematic diagrams.............................................................................. 2

Schematic Diagrams / System Conguration Relevant Settings ............................................................ 3

VRC 700 Commissioning / Conguration..................................................................................................... 40

Schematics Legend............................................................................................................................................. 43

Guarantee information

When registering your guarantee please ensure you register the individual components within

the pack and not the pack itself.

Wiring Check list

1. Does the wiring adhere to the relevant Vaillant schematic/wiring diagram?

2. Have all ebus connections been checked for polarity?

3. Have the relevant electrical points been isolated?

General Notes

⬤ Ensure registration of individual components within a pack instead of the pack itself

when registering your guarantee.

⬤ Ensure system wiring adheres to the relevant Vaillant schematic diagram.

⬤ Check eBus polarity on all connections.

⬤ Ensure isolation at relevant electrical points.

Terms and Conditions for Vaillant Schematic Diagrams

⬤ All applicable laws and regulations must be followed.

⬤ The Diagram may be subject to alteration at any time.

⬤ Vaillant is not responsible for any inaccuracies or omissions in the information and drawings

provided to it and upon which it relies when constructing the diagrams.

⬤ Any reproduction of the design must have the prior permission of Vaillant.

⬤ During the planning, design, installation and later use of the system, all operating

instructions must be followed.

⬤ In no circumstances shall Vaillant be liable to you or any other third parties for any loss or

damage (including, without limitation, damage for loss of business or loss of prots) arising

directly or indirectly from your use of or inability to use, this diagram.

⬤ Vaillant makes no representations or warranties of any kind, express or implied about the

completeness, accuracy, reliability or suitability of the diagram for any purpose. Any reliance you

place on the diagram is therefore strictly at your own risk.

⬤ These disclaimers and exclusions shall be governed by and construed in accordance with

English law.

Schematic Diagrams

The below systems are the most popular in the UK. For further assistance call Vaillant technical:

0344 693 3133.

Common UK Combination boiler Schematics

Schematic

number Description Page number

20011-1001 Combination Boiler, 1 Radiator Zone 4 - 6

20026-1002 Combination Boiler, 2 Radiator Zone 7 - 9

20029-1003 Combination Boiler, 3 Radiator Zone 10 - 12

20152-1002 Combination Boiler, 1 Radiator & 1 Underoor Zone 13 - 15

20028-1003 Combination Boiler, 2 Radiator & 1 Underoor Zone 16 - 18

Common UK System boiler Schematics

Schematic

number Description Page number

10011-1011 System Boiler, DHW Tank, 1 Radiator Zone 19 - 21

10012-1011 System Boiler, 1 Underoor Zone 22 - 24

10013-1012 System Boiler, DHW Tank, 2 Radiator Zone 25 - 27

10014-1012 System Boiler, DHW Tank, 1 Radiator Zone & 1 Underoor Zone 28 - 30

10262-1013 System Boiler, DHW, 2 Radiator Zone & 1 Underoor Zone 31 - 33

10263-1013 System Boiler, DHW tank, 3 Radiator Zones 34 - 36

10302-2011 Cascade arrangement - hydraulic & electrical 37 - 39

20011-1001 - UK VRC 700 - Combi Boiler with 1 Radiator Zone

BUS BUS BUS BUS BUS BUS BUS BUS BUS

BUS BUS BUS BUS BUS BUS BUS

12p

BUS

BUS BUS

12q

BUSBUS

230 V~

HOT WATER OUTLET

MAINS INLET

24-38 kW

10j

X41

12m

12p

BUS

PWR

LAN

230 V~

12q

230 V~

0 ...24 V 230 V~

230V~

X12

24V=

Burn. L

off N

BUS

- +

X13

X16

X100

X41

X31

0( )

DCF

ecoTEC Boiler

LNLN

X22

X18

12m 12

20011- 1001 - Combination Boiler, 1 Radiator Zone

Setting Value

System

Adapt. heat curve: No

System diagram conguration

System diagram 1

Heating

Circuit type: Heating

OT switch-off threshold 30o

Heating curve **Site specic

Maximum temperature 70o(Assumed)

Auto Off mode Set-back

Room temp. mod.: Temp. mod

Zone 1

Zone activated: Yes

Set-back temp. heat. 17°

Zone assignment: VRC 700

DHW circuit

Cylinder Inactive

VRC 700 System Conguration Relevant Settings

20026-1002 - UK VRC 700 - Combi Boiler with 2 Radiator Zone

BUS BUS BUS BUS BUS BUS BUS BUS BUS

BUS BUS

12m

12d

230 V~

X41

230 V~

HOT WATER OUTLET

MAINS INLET

24-38 kW

12a

ZN2

10j

BUS BUS BUS BUS BUS BUS BUS BUS BUS BUS

ZN1

230 V~

0 ...24 V 230 V~

230V~

X12

24V=

Burn. L

off N

BUS

- +

X13

X16

X100

X41

X31

0(b)

DCF

ecoTEC Boiler

L N L N

X22

L N

X18

VR10 ZN2 - RADS

230V~

N L

1 2

230 V~

R3/R4

R5/R6

1 2 1 2

I0 I

_- +

BUS

230V~

0...24V

VR 70

12d

12m

ZN1 - RAD

ZN2 - RAD

12a

20026- 1002 - Combination Boiler, 2 Radiator Zones (Direct)

Setting Value

System

Adapt. heat curve: Activated

Congure heat. circ. Zone 1

System diagram conguration

System diagram 1

Cong.: VR70 addr. 1 1

MA VR70, addr. 1 No Function

Heating

Circuit type: Heating

Max limit outs.temp. 30o

Heating curve 2

Minimum temperature **Site specic

Auto Off mode Eco

Room temp. mod. None

Heating 2

Circuit type: Heating

Max limit outs.temp. 30o

Heating curve **Site specic

Minimum temperature 15o

Maximum temperature 45o

Auto Off mode Eco

Room temp. mod. None

Zone 1

Zone activated: Yes

Set-back temp. heat. 17o

Zone assignment: VRC 700

Zone 2

Zone activated: Yes

Set-back temp. heat. 17o

Zone assignment: VR91, addr. 1

VRC 700 System Conguration Relevant Settings

20029-1003 - UK VRC 700 - Combi Boiler with 3 Radiator Zone

BUS BUS BUS BUS BUS BUS BUS BUS BUS

BUS BUS

12e

230 V~

12m

X41

230 V~

HOT WATER OUTLET

MAINS INLET

24-38 kW

12a

ZN2

10j

BUS BUS BUS BUS BUS BUS BUS BUS BUS BUS BUS BUS BUS BUS BUS

ZN1

12a

ZN3

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